$OpenBSD: patch-inotify-cxx_h,v 1.2 2017/04/24 01:10:37 jca Exp $
--- inotify-cxx.h.orig	Sat Apr  7 00:19:27 2012
+++ inotify-cxx.h	Mon Apr 24 03:08:02 2017
@@ -27,6 +27,7 @@
 #define _INOTIFYCXX_H_
 
 #include <stdint.h>
+#include <unistd.h>
 #include <string>
 #include <deque>
 #include <map>
@@ -34,11 +35,6 @@
 // Please ensure that the following headers take the right place
 #include <sys/syscall.h>
 #include <sys/inotify.h>
-
-// Use this if syscalls not defined
-#ifndef __NR_inotify_init
-#include <sys/inotify-syscalls.h>
-#endif // __NR_inotify_init
 
 /// Event struct size
 #define INOTIFY_EVENT_SIZE (sizeof(struct inotify_event))
